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2020-01-08Implement 64-bit double functions.Georg-Johann Lay1-0/+7
gcc/ PR target/92055 * config.gcc (tm_defines) [target=avr]: Support --with-libf7, --with-double-comparison. * doc/install.texi: Document them. * config/avr/avr-c.c (avr_cpu_cpp_builtins) <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS> <WITH_DOUBLE_COMPARISON>: New built-in defines. * doc/invoke.texi (AVR Built-in Macros): Document them. * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New. * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function. * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro. libgcc/ PR target/92055 * config.host (tmake_file) [target=avr]: Add t-libf7, t-libf7-math, t-libf7-math-symbols as specified by --with-libf7=. * config/avr/t-avrlibc: Don't copy libgcc.a if there are modules depending on sizeof (double) or sizeof (long double). * config/avr/libf7: New folder. libgcc/config/avr/libf7/ PR target/92055 * t-libf7: New file. * t-libf7-math: New file. * t-libf7-math-symbols: New file. * libf7-common.mk: New file. * libf7-asm-object.mk: New file. * libf7-c-object.mk: New file. * asm-defs.h: New file. * libf7.h: New file. * libf7.c: New file. * libf7-asm.sx: New file. * libf7-array.def: New file. * libf7-const.def: New file. * libf7-constdef.h: New file. * f7renames.sh: New script. * f7wraps.sh: New script. * f7-renames.h: New generated file. * f7-wraps.h: New generated file. From-SVN: r279994
2019-12-05re PR target/92055 ([avr] Support 64-bit double)Georg-Johann Lay1-2/+2
PR target/92055 * config/avr/t-avrlibc (MULTISUBDIR): Search for double, not double64. From-SVN: r278992
2019-11-07Support 64-bit double and 64-bit long double configurations.Georg-Johann Lay1-0/+31
gcc/ Support 64-bit double and 64-bit long double configurations. PR target/92055 * config.gcc (tm_defines) [avr]: Set from --with-double=, --with-long-double=. * config/avr/t-multilib: Remove. * config/avr/t-avr: Output of genmultilib.awk is now fully dynamically generated and no more part of the repo. (HAVE_DOUBLE_MULTILIB, HAVE_LONG_DOUBLE_MULTILIB): New variables. Pass them down to... * config/avr/genmultilib.awk: ...here and handle them. * gcc/config/avr/avr.opt (-mdouble=, avr_double). New option and var. (-mlong-double=, avr_long_double). New option and var. * common/config/avr/avr-common.c (opts.h, diagnostic.h): Include. (TARGET_OPTION_OPTIMIZATION_TABLE) <-mdouble=, -mlong-double=>: Set default as requested by --with-double= (TARGET_HANDLE_OPTION): Define to this... (avr_handle_option): ...new hook worker. * config/avr/avr.h (DOUBLE_TYPE_SIZE): Define to avr_double. (LONG_DOUBLE_TYPE_SIZE): Define to avr_long_double. (avr_double_lib): New proto for spec function. (EXTRA_SPEC_FUNCTIONS) <double-lib>: Add. (DRIVER_SELF_SPECS): Call %:double-lib. * config/avr/avr.c (avr_option_override): Assert sizeof(long double) >= sizeof(double) for the target. * config/avr/avr-c.c (avr_cpu_cpp_builtins) [__HAVE_DOUBLE_MULTILIB__, __HAVE_LONG_DOUBLE_MULTILIB__] [__HAVE_DOUBLE64__, __HAVE_DOUBLE32__, __DEFAULT_DOUBLE__=] [__HAVE_LONG_DOUBLE64__, __HAVE_LONG_DOUBLE32__] [__HAVE_LONG_DOUBLE_IS_DOUBLE__, __DEFAULT_LONG_DOUBLE__=]: New built-in define depending on --with-double=, --with-long-double=. * config/avr/driver-avr.c (avr_double_lib): New spec function. * doc/invoke.tex (AVR Options) <-mdouble=,-mlong-double=>: Doc. * doc/install.texi (Cross-Compiler-Specific Options) <--with-double=, --with-long-double=>: Doc. libgcc/ Support 64-bit double and 64-bit long double configurations. PR target/92055 * config/avr/t-avr (HOST_LIBGCC2_CFLAGS): Only add -DF=SF if long double is a 32-bit type. * config/avr/t-avrlibc: Copy double64 and long-double64 multilib(s) from the vanilla one. * config/avr/t-copy-libgcc: New Makefile snip. From-SVN: r277908
2012-09-05re PR target/54461 ([avr] add configure option for better AVR-Libc integration)Georg-Johann Lay1-0/+66
PR target/54461 * configure.ac (noconfigdirs,target=avr-*-*): Add target-newlib, target-libgloss if not configured --with-avrlibc=no. * configure: Regenerate. libgcc/ PR target/54461 * config.host (tmake_file,host=avr-*-*): Add avr/t-avrlibc if not configured --with-avrlibc=no. * config/avr/t-avrlibc: New file. * Makefile.in (FPBIT_FUNCS): filter-out LIB2FUNCS_EXCLUDE. (DPBIT_FUNCS): Ditto. (TPBIT_FUNCS): Ditto. gcc/ PR target/54461 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if not configured --with-avrlibc=no. (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if not configured --with-avrlibc=no. * config/avr/avrlibc.h: New file. * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if not configured --with-avrlibc=no. * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__ From-SVN: r190967